3 years ago

Y+z=4 y-z=8 how to solve this problem

Mathematics

1 answer:

spin [16.1K]3 years ago

5 0

Use elimination

y + z = 4

y - z = 8

Subtract both

2z = -4, z = -2

Y - 2 = 4, y = 6

Solution: y = 6, z = -2

You might be interested in

If you answer this you will get brainless

Yanka [14]

Answer:

Step-by-step explanation:

A doesn't repeat at all
B just repeats on the 3
C repeats on the 1 and 3
D repeats on the 5, 1, and 3

6 0

2 years ago

Read 2 more answers

Evaluate.

Daniel [21]

Answer:

d) 192

Step-by-step explanation:

Your calculator can do this for you.

Or, you can simplify to

$12\cdot\dfrac{4^{-2}}{4^{-4}}=12(4^{-2+4})=12(4^2)=192$

3 0

3 years ago

Both fractions in the expression of 1/3 +1/3 are examples of...

kirza4 [7]

Equivalent fractions

7 0

3 years ago

5,10,20... write an explicit and recursive equ

Lesechka [4]

Answer:

if you are wanting one based on the numbers 5, 10, 20, the next numbers would be 40, 80, 160 and so one, all you do is multiply the number by 2

Step-by-step explanation:

8 0

3 years ago

List 5 fractions between 4/5and 10/11

snow_tiger [21]

Step-by-step explanation:

if we simply add 1 to numerator and denominator (top and bottom of the fraction), we get a fraction that is bigger than the original fraction and smaller than the fraction that added 2 to numerator and denominator.

so, my choice would be

4/5

5/6

6/7

7/8

8/9

9/10

10/11

6 0

3 years ago

Y+z=4 y-z=8 how to solve this problem​

Y+z=4 y-z=8 how to solve this problem